| 1 | test_coeff = ->
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| 2 | run_test [
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| 3 |
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| 4 | "coeff(40*x^3+30*x^2+20*x+10,3)",
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| 5 | "40",
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| 6 |
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| 7 | "coeff(40*x^3+30*x^2+20*x+10,2)",
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| 8 | "30",
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| 9 |
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| 10 | "coeff(40*x^3+30*x^2+20*x+10,1)",
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| 11 | "20",
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| 12 |
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| 13 | "coeff(40*x^3+30*x^2+20*x+10,0)",
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| 14 | "10",
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| 15 |
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| 16 | "coeff(a*t^3+b*t^2+c*t+d,t,3)",
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| 17 | "a",
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| 18 |
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| 19 | "coeff(a*t^3+b*t^2+c*t+d,t,2)",
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| 20 | "b",
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| 21 |
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| 22 | "coeff(a*t^3+b*t^2+c*t+d,t,1)",
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| 23 | "c",
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| 24 |
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| 25 | "coeff(a*t^3+b*t^2+c*t+d,t,0)",
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| 26 | "d",
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| 27 | ]
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